
Diagnostic procedure

Dtc p0038
Dtc p0102Mazda 6 Service Manual: Oil cooler disassembly/assembly
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly.
Radiator Outer Tank (In Tank Oil Cooler) Removal Note
1. Inspect the height of the header tabs.
2. Insert the end of a medium tip screwdriver between the end of the header
tab and the out ...
Mazda 6 Service Manual: Heated oxygen sensor (ho2s) inspection
HO2S Voltage Inspection
Note
Perform the following inspection only when directed.
1. Warm up the engine and run it at idle.
2. Disconnect the HO2S connector.
3. Connect the voltmeter test leads to the following HO2S terminals:
HO2S (front and rear)
- (+) leadterminal A
- (-) le ...